Alberta’s contact tracing raises red flags as 43% of new cases have no known source | CBC News
COVID-19 cases are rising in Alberta, and there are concerns that difficulties involved in contact tracing — both manual and digital — could hamper the province’s ability to slow the spread.
Of the 1,812 new cases reported in Alberta last week, 772 (43 per cent) have an unknown source. There are currently 2,836 active cases in the province, 1,054 (37 per cent) from an unknown source.
Dr. Lynora Saxinger, an infectious disease specialist at the University of Alberta in Edmonton, said she doesn’t like the look of those numbers.
“This is actually one of the cornerstones of reducing spread. If we can’t, basically, kind of find the ring of exposed people and prevent them from spreading it outwards, we’re going to be looking at really, really bad numbers. So it’s a big deal,”…